Chair control



FIG. 1 is a front, perspective view of a chair control showing my new design;

FIG. 2 is a bottom perspective view showing the opposite side to FIG. 1;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view of a second embodiment of a chair control showing my new design;

FIG. 6 is a top plan view of FIG. 5;

FIG. 7 is a front, perspective view of FIG. 5; and

FIG. 8 is a bottom perspective view of FIG. 5. 

The ornamental design for a chair control, as shown and described. 